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Boring Number, SB-5 + HORIZON ENVIRONMENTAL INC <br /> Job Number 141911 <br /> Site Location Beacon #419, Stockton, CA <br /> Drilling Company Mitchell Drilling Environmental Drilling Method Hollow Stem Auger <br /> Drilled By Scott, Jeff, & Chris Sampling Method Split—Spoon Sampler <br /> Date Drilled 05/08/96 Total Depth 56 5 Feet <br /> Logged By D Higgins Depth To Groundwater <br /> a. <br /> E 7 p — C— , U O <br /> a� z' �° o ate, a Soil 2 a a Well Comments <br /> U) E°: Description o H <br /> o � CD <br /> a o � % h o c p N o v Construction <br /> Ln C a V <br /> a <br /> Asphalt underlain by gravel and <br /> sand 3' <br /> i 1 <br /> N/A Boring backfilled with <br /> 2 2 CLAYEY SILT, with some fine—grained sand neat cement ttcement to surface <br /> dark brown slight plasticity damp grade <br /> 3 3- <br /> 4- 4- <br /> 5— k 5 <br /> 22 CLAYEY SILT with some fine—grained sand, <br /> 6 in 50 12 12 4 6 orange brown, slight plasticity hard ML <br /> 7 7 <br /> 8 8 <br /> 9 9 <br /> 10 � 10 <br /> t 25 <br /> 11 m 50 12 12 0 11 <br /> Ln <br /> I <br /> i2 � 12- <br /> 13— 13- <br /> 14— 14 <br /> 15 15 <br /> u7 <br /> 19 <br /> 16 m 22 18 18 0En <br /> 16 <br /> 17 27 17- <br /> 115— 18 <br /> 19 19- <br /> 20— 20 <br /> 0 <br /> 21 16m 16 18 18 0 21 <br /> ut 21 <br /> 22 22 <br /> 23 23- <br /> 24— 24- <br /> 25 25 <br /> N <br /> 26 15 <br /> 26 <br /> 16 18 18 1 1 <br /> y <br /> 27 1 19 27 <br /> 28 28 <br /> 29129 <br /> 30 30 <br /> (Boring Continued On Next Page) Page 1 Of 2 <br />